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Finding the Fourth Proportional to 4,308.82, 6,463.10 and 1,230.82

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Solution

The fourth proportional to 4,308.82, 6,463.10 and 1,230.82 is: 1,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.82 : 6,463.10 = 1,230.82 : x
  2. Step 2: Convert to fraction form
    4,308.82/6,463.10 = 1,230.82/x
  3. Step 3: Cross multiply
    4,308.82x = 6,463.10 × 1,230.82
  4. Step 4: Simplify right side
    4,308.82x = 7,954,927.36
  5. Step 5: Solve for x
    x = 7,954,927.36/4,308.82
  6. Step 6: Final answer
    x = 1,846.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.